Comscore Ranks the Top 50 U.S. Digital Media Properties for March 2015

RESTON, VA, April 22, 2015 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly ranking of U.S. online activity at the top digital media properties for March 2015 based on data from the Comscore Media Metrix® and Media Metrix® Multi-Platform services. Google Sites ranked as the top multi-platform property with 241.6 million unique visitors/viewers across desktop and mobile, while also ranking as the top desktop property with 204.6 million visitors. AddThis topped the Ad Focus ranking with a U.S. desktop internet reach of 96.3 percent.

Comscore Top 50 Properties (Desktop Only) March 2015Total U.S. – Home and Work Locations Source: Comscore Media Metrix

Rank

Property

Unique Visitors(000)

Rank

Property

Unique Visitors(000)

Total Internet : Total Audience

231,411

1

Google Sites

204,572

26

Adobe Sites

35,816

2

Yahoo Sites

168,924

27

SheKnows Media

35,242

3

Microsoft Sites

152,540

28

Conde Nast Digital

33,627

4

Facebook

142,353

29

ESPN

32,548

5

Amazon Sites

108,094

30

WebMD Health

32,435

6

AOL, Inc.

107,235

31

Dropbox Sites

31,978

7

Mode Media (formerly Glam Media)

80,307

32

TripAdvisor Inc.

30,790

8

CBS Interactive

71,224

33

New York Times Digital

30,579

9

Wikimedia Foundation Sites

70,615

34

Purch

30,336

10

eBay

67,246

35

Demand Media

28,774

11

Comcast NBCUniversal

62,527

36

Pinterest.com

28,589

12

Turner Digital

61,928

37

Meredith Digital

27,512

13

Apple Inc.

53,128

38

Netflix.com

27,180

14

About

52,161

39

Fox News Digital Network

26,998

15

Ask Network

50,142

40

Verizon Communications Corporation

26,422

16

Gannett Sites

48,746

41

Ziff Davis Tech

25,768

17

Linkedin

45,152

42

IDG Network

25,243

18

Time Inc. Network (U.S)

43,062

43

Vox Media

24,569

19

craigslist, inc.

42,565

44

Expedia Inc

24,311

20

Wal-Mart

40,462

45

YP Sites

23,833

21

Hearst Corporation

38,979

46

Viacom Digital

23,632

22

Twitter.com

38,557

47

Mail Online / Daily Mail

22,751

23

Weather Company, The

38,347

48

Scripps Networks Interactive Inc.

22,522

24

Yelp

36,484

49

Intuit

22,445

25

Answers.com Sites

35,926

50

T365 - Tribune

22,038

Comscore Ad Focus Rankings (Desktop Only) March 2015 Total U.S. – Home and Work Locations Source: Comscore Media Metrix

Top 30 Syndicated Ad Focus Entities

Top 20 Ad Networks/Buy Side Networks

Rank

Property

Unique Visitors (000)

% Reach

Rank

Property

Unique Visitors (000)

% Reach

Total Internet : Total Audience

231,411

100.0

1

AddThis

222,828

96.3

1

Google Ad Network**

217,120

93.8

2

Google

196,335

84.8

2

Yahoo Audience Network**

205,773

88.9

3

Taboola

187,239

80.9

3

Conversant**

193,648

83.7

4

ShareThis

180,223

77.9

4

Criteo**

184,812

79.9

5

Yahoo Sites

168,924

73.0

5

RadiumOne**

181,246

78.3

6

Outbrain

158,355

68.4

6

Advertising.com**

165,864

71.7

7

Facebook.com

138,780

60.0

7

Burst Media**

160,344

69.3

8

MSN

132,271

57.2

8

Exponential - Tribal Fusion**

157,279

68.0

9

YouTube.com

107,913

46.6

9

Gamut - Network**

155,819

67.3

10

AOL, Inc.

107,235

46.3

10

Collective Display**

155,767

67.3

11

Amazon.com*

91,385

39.5

11

Amobee**

137,876

59.6

12

Mode Media (formerly Glam Media)

80,307

34.7

12

Rocket Fuel**

135,074

58.4

13

Windows Live

58,006

25.1

13

SourceKnowledge Video Network**

109,277

47.2

14

5min Media Platform

56,171

24.3

14

Adroit Digital**

109,087

47.1

15

About

52,161

22.5

15

Microsoft Media Network US**

104,137

45.0

16

Ask Network

50,142

21.7

16

Media.net Contextual Ads**

81,016

35.0

17

Gannett Sites

48,746

21.1

17

Undertone Networks**

81,013

35.0

18

Linkedin

45,152

19.5

18

Vibrant Media**

73,597

31.8

19

Blogger

40,698

17.6

19

AdBlade Network**

73,100

31.6

20

NBC News Digital

39,170

16.9

20

GumGum**

72,188

31.2

21

CBS News

38,560

16.7

22

Twitter.com

38,557

16.7

Top DSP/SSP/Ad Exchange Entities

23

Walmart.com

37,922

16.4

1

Rubicon Project**

192,395

83.1

24

Yelp

36,484

15.8

2

Fulcrum5**

189,258

81.8

25

Answers.com Sites

35,926

15.5

3

OpenX**

148,682

64.3

26

SheKnows Media

35,242

15.2

4

engage:BDR**

36,720

15.9

27

CNN

34,852

15.1

28

Weather Channel, The

32,859

14.2

29

ESPN

32,548

14.1

30

WebMD Health

32,435

14.0

Reach % denotes the percentage of the total internet population that viewed a particular entity at least once in March. For instance, Yahoo Sites was seen by 73 percent of the 231 million desktop internet users in March. * Entity has assigned some portion of traffic to other syndicated entities.** Indicates that the entity is an advertising network.

For more information:

About Comscore Media Metrix Multi-PlatformComscore Media Metrix Multi-Platform offers comprehensive reporting on more than 300,000 digital media entities, including their unduplicated audience size, demographic composition, engagement, performance within key user segments and behavioral trends. All of these metrics are measured across multiple digital media platforms, including desktop computers, smartphones and tablets, and content delivery vehicles, including websites, videos and apps. These platforms are unified using both panel- and census-based methods to deliver a holistic view of media companies’ total digital populations.

About Comscore Media MetrixComscore Media Metrix provides industry-leading Internet audience measurement services that report details of online media usage, visitor demographics and online buying power for the home, work and university audiences on desktop computers across local U.S. markets and across the globe. Comscore Media Metrix reports are used by financial analysts, advertising agencies, publishers and marketers. Comscore Media Metrix syndicated ratings are based on industry-sanctioned sampling methodologies.

About ComscoreComscore, Inc. (NASDAQ: SCOR) is a global leader in digital measurement and analytics, delivering insights on web, mobile and TV consumer behavior that enable clients to maximize the value of their digital investments. For more information, please visit www.comscore.com/companyinfo.